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🐛Fix Fletcher-16 and Fletcher-32 speed.

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Natalia Portillo
2018-02-03 21:25:37 +00:00
parent 4194566a20
commit 72740566ae
5 changed files with 230 additions and 168 deletions
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68
DiscImageChef.Core/Benchmark.cs
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@@ -168,6 +168,70 @@ namespace DiscImageChef.Core
});
results.SeparateTime += (end - start).TotalSeconds;
#endregion Adler32
#region Fletcher16
ctx = new Fletcher16Context();
ms.Seek(0, SeekOrigin.Begin);
mem = GC.GetTotalMemory(false);
if(mem > results.MaxMemory) results.MaxMemory = mem;
if(mem < results.MinMemory) results.MinMemory = mem;
start = DateTime.Now;
InitProgress();
for(int i = 0; i < bufferSize / blockSize; i++)
{
UpdateProgress("Checksumming block {0} of {1} with Fletcher-16.", i + 1, bufferSize / blockSize);
byte[] tmp = new byte[blockSize];
ms.Read(tmp, 0, blockSize);
ctx.Update(tmp);
}
EndProgress();
ctx.End();
end = DateTime.Now;
mem = GC.GetTotalMemory(false);
if(mem > results.MaxMemory) results.MaxMemory = mem;
if(mem < results.MinMemory) results.MinMemory = mem;
results.Entries.Add("Fletcher16",
new BenchmarkEntry
{
TimeSpan = (end - start).TotalSeconds,
Speed = bufferSize / 1048576.0 / (end - start).TotalSeconds
});
results.SeparateTime += (end - start).TotalSeconds;
#endregion Fletcher16
#region Fletcher32
ctx = new Fletcher32Context();
ms.Seek(0, SeekOrigin.Begin);
mem = GC.GetTotalMemory(false);
if(mem > results.MaxMemory) results.MaxMemory = mem;
if(mem < results.MinMemory) results.MinMemory = mem;
start = DateTime.Now;
InitProgress();
for(int i = 0; i < bufferSize / blockSize; i++)
{
UpdateProgress("Checksumming block {0} of {1} with Fletcher-32.", i + 1, bufferSize / blockSize);
byte[] tmp = new byte[blockSize];
ms.Read(tmp, 0, blockSize);
ctx.Update(tmp);
}
EndProgress();
ctx.End();
end = DateTime.Now;
mem = GC.GetTotalMemory(false);
if(mem > results.MaxMemory) results.MaxMemory = mem;
if(mem < results.MinMemory) results.MinMemory = mem;
results.Entries.Add("Fletcher32",
new BenchmarkEntry
{
TimeSpan = (end - start).TotalSeconds,
Speed = bufferSize / 1048576.0 / (end - start).TotalSeconds
});
results.SeparateTime += (end - start).TotalSeconds;
#endregion Fletcher32
#region CRC16
ctx = new Crc16Context();
@@ -515,7 +579,7 @@ namespace DiscImageChef.Core
results.EntropyTime = (end - start).TotalSeconds;
results.EntropySpeed = bufferSize / 1048576.0 / (end - start).TotalSeconds;
#endregion Entropy
/*
#region Multitasking
start = DateTime.Now;
Checksum allChecksums = new Checksum();
@@ -541,7 +605,7 @@ namespace DiscImageChef.Core
results.TotalTime = (end - start).TotalSeconds;
results.TotalSpeed = bufferSize / 1048576.0 / results.TotalTime;
#endregion
*/
results.SeparateSpeed = bufferSize / 1048576.0 / results.SeparateTime;
return results;